Area Code 305

About Area Code 305

Area code 305 is a geographic telephone area code assigned to Miami, Florida. It operates in the Eastern time zone and was first introduced in 1947. Original NANP code. Miami-Dade. Overlay 786 (1998).

Within Florida, area code 305 shares numbering capacity with 17 other area codes. The state's 22,610,726-person population (2023 Census Bureau estimate) is served by a combined 18 active codes, with 305 primarily responsible for the Miami region. Florida's state capital is Tallahassee, and its largest city is Jacksonville.

When you receive a call from a 305 number on your Caller ID, the call originated from a phone number assigned to the 305 area code — but be aware that Local Number Portability (in effect since 2003) means the caller could be physically located anywhere in the US or Canada. Area code 305 only confirms where the number was originally assigned.

Where is the 305 area code located?

Area code 305 is assigned to Miami, Florida, in the Eastern time zone. The state of Florida uses 18 active area codes, and 305 is one of them. Calls placed from the 305 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 305 prefix appears on Caller ID for both landline and wireless calls placed from this region.

The Eastern time zone observes Daylight Saving Time, shifting from UTC-5 to UTC-4 in summer. The local time shown above is always current, so you can quickly check whether it's a reasonable hour to call back.

What cities and counties use the 305 area code?

The 305 area code serves 11 notable cities, listed below in order of population. The largest city in the 305 territory is Miami (442,241 residents in Miami-Dade County).

• Miami, FL — 442,241 residents (12.4% of 305 numbers)
• Jacksonville, FL — 971,319 residents (27.1% of 305 numbers)
• Tampa, FL — 398,173 residents (11.1% of 305 numbers)
• Orlando, FL — 309,154 residents (8.6% of 305 numbers)
• St. Petersburg, FL — 261,328 residents (7.3% of 305 numbers)
• Hialeah, FL — 220,490 residents (6.2% of 305 numbers)
• Tallahassee, FL — 201,731 residents (5.6% of 305 numbers)
• Fort Lauderdale, FL — 182,434 residents (5.1% of 305 numbers)
• Port St. Lucie, FL — 217,522 residents (6.1% of 305 numbers)
• Cape Coral, FL — 204,510 residents (5.7% of 305 numbers)

Phone number format in area code 305

All phone numbers within area code 305 follow the standard North American 10-digit format:(305) NXX-XXXX. The NXX is the central office prefix (also called an "exchange") and XXXX is the subscriber line number. For long-distance calls within the NANP, dial 1 + 305 + NXX + XXXX. From outside North America, dial your country's international access code, then 1 (the NANP country code), then the 10-digit number.

If you need to verify whether a specific 305 number is wireless, landline, or VoIP, you can use our reverse phone lookup tool. Be aware that number portability means the area code no longer guarantees the caller's physical location — only where the number was first assigned.

History of area code 305

Original NANP code. Miami-Dade. Overlay 786 (1998).

The original 86 area codes were assigned by AT&T and Bell Labs in 1947 as part of the North American Numbering Plan. At the time, rotary-dial phones meant codes with lower digits (like 212 for NYC, 213 for LA, 312 for Chicago) were given to the largest cities because they took less time to dial. Today's area code assignments still reflect those early choices, even though touch-tone and cell phones made the original reason obsolete.

Is the 305 area code safe to answer?

Area code 305 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 305 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.